How do I download ios 15.1

Maris1986 wrote:

How do I download ios 15.1

There is no Apple device capable of updating to exactly iOS 15.1. The exact, available version will depend on YOUR device. If you tell us which device you have and the existing version of iOS, we can then inform you of the maximum version, and how to get there.

This is impossible to properly answer due to the lack of important information.

Judging from your question, if you have to ask about an older obsolete operating system, then chances are that your iPhone has reached the end-of-life support for Software Update to the latest iOS operating system.

You are invited to visit an Apple retail store to discuss your iPhone upgrade options.

Learn about the ⇢ iPhone Upgrade Program. 📲

Good luck! 👋🏼😉